Tasks and questions:
I. a) Read and guess the meaning of these words;
b) Underline the suffixes of words;
c) Divide them into four columns: noun, adjective, adverb and verb.
Important- importance, present – presence, automatic – automation, system- systematic- systematically, various- variance, to graduate- graduation, usually- usual, to thank-thankful, electric-electricity, to solve-solvable, simple- to simplify, symbol- to symbolize, to close- closure, long- length, short – to shorten, to know- knowledge.
II. Give:
a) some examples of nouns with suffixes - ty; - ture;
b) some examples of nouns with suffixes- ance; -ence; - age;
c) some examples of nouns with suffixes – dom; - er,or;
d) some examples of nouns with suffixes- ion, - ment; - ure.
III. Get ready to answer these questions:
1. What do we know about the form of an atom?
2. What is the diameter of an atom?
3. What do we know about the nucleus of an atom?
4. What is the charge of a proton?
5. What is the mass of a proton and a neutron?
6. What is the mass of an electron?
7. What do you know an isolated atom?
8. What are examples of three common states of matter?
9. What do ice, water and steam consist of?
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